28. A test tube standing vertically contains 26 cm of oil (p = 810 kg/ml) and 57 cm of water (p = 1000 kg/m”). What is t

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28 A Test Tube Standing Vertically Contains 26 Cm Of Oil P 810 Kg Ml And 57 Cm Of Water P 1000 Kg M What Is T 1 (36.28 KiB) Viewed 46 times

28. A test tube standing vertically contains 26 cm of oil (p = 810 kg/ml) and 57 cm of water (p = 1000 kg/m”). What is the pressure at the bottom of test tube? d. 7.36 kPa c. 5.59 kPa b. 109 kPa a. 7.65 kPa 29. A siren of a police car at rest emits a frequency of 1600 Hz. What frequency will you hear if you are at rest, and the police car moves at 25.0 m/s towards you. Assume the speed of sound to be 343 m/s. a. 1726 HZ b. 1491 Hz c. 1716 Hz d. 1483 Hz 30. Find the numeric value of the work done on the gas in the figure shown. (1 atm =1.013 x 10 Pa) Platm) 5 3 2 V(m²) 2 3 4 5 d. 911.7k] C. 810.4 kJ b. 709.1 kJ a. 607.8 kJ